The ewmm-parser() can be used to parse messages sent by another syslog-ng host using the enterprise-wide message model (EWMM) format. Available in version
Declaration:
parser parser_name {
ewmm-parser();
};The ewmm-parser() can be used to parse messages sent by another syslog-ng host using the enterprise-wide message model (EWMM) format. Available in version
parser parser_name {
ewmm-parser();
};The iptables parser can parse the log messages of the iptables command. Available in version
@version: 3.38
@include "scl.conf"
log {
source { system(); };
parser { iptables-parser(); };
destination { ... };
};The iptables-parser() is actually a reusable configuration snippet configured to parse iptables messages. For details on using or writing such configuration snippets, see Reusing configuration blocks. You can find the source of this configuration snippet on GitHub.
| Synopsis: | prefix() |
Description: Insert a prefix before the name part of the parsed name-value pairs to help further processing. For example:
To insert the my-parsed-data. prefix, use the prefix(my-parsed-data.) option.
To refer to a particular data that has a prefix, use the prefix in the name of the macro, for example, ${my-parsed-data.name}.
If you forward the parsed messages using the IETF-syslog protocol, you can insert all the parsed data into the SDATA part of the message using the prefix(.SDATA.my-parsed-data.) option.
Names starting with a dot (for example, .example) are reserved for use by syslog-ng OSE. If you use such a macro name as the name of a parsed value, it will attempt to replace the original value of the macro (note that only soft macros can be overwritten, see Hard versus soft macros for details). To avoid such problems, use a prefix when naming the parsed values, for example, prefix(my-parsed-data.)
By default, iptables-parser() uses the .iptables. prefix. To modify it, use the following format:
parser {
iptables-parser(prefix("myprefix."));
};The Netskope parser can parse Netskope log messages. These messages do not completely comply with the syslog RFCs, making them difficult to parse. The netskope-parser() of syslog-ng OSE solves this problem, and can separate these log messages to name-value pairs. For details on using value-pairs in syslog-ng OSE see Structuring macros, metadata, and other value-pairs. The parser can parse messages in the following format:
<PRI>{JSON-formatted-log-message}
For example:
<134>{"count": 1, "supporting_data": {"data_values": ["x.x.x.x", "user@domain.com"], "data_type": "user"}, "organization_unit": "domain/domain/Domain Users/Enterprise Users", "severity_level": 2, "category": null, "timestamp": 1547421943, "_insertion_epoch_timestamp": 1547421943, "ccl": "unknown", "user": "user@domain.com", "audit_log_event": "Login Successful", "ur_normalized": "user@domain.com", "_id": "936289", "type": "admin_audit_logs", "appcategory": null}
If you find a message that the netskope-parser() cannot properly parse, contact Support, so we can improve the parser.
The syslog-ng OSE application sets the ${PROGRAM} field to Netskope.
By default, the Netskope-specific fields are extracted into name-value pairs prefixed with .netskope. For example, the organization_unit in the previous message becomes ${.netskope.organization_unit}. You can change the prefix using the prefix option of the parser.
@version: 3.38
@include "scl.conf"
log {
source { network(flags(no-parse)); };
parser { netskope-parser(); };
destination { ... };
};Note that you have to disable message parsing in the source using the flags(no-parse) option for the parser to work.
The netskope-parser() is actually a reusable configuration snippet configured to parse Netskope messages. For details on using or writing such configuration snippets, see Reusing configuration blocks. You can find the source of this configuration snippet on GitHub.
| Synopsis: | prefix() |
Description: Insert a prefix before the name part of the parsed name-value pairs to help further processing. For example:
To insert the my-parsed-data. prefix, use the prefix(my-parsed-data.) option.
To refer to a particular data that has a prefix, use the prefix in the name of the macro, for example, ${my-parsed-data.name}.
If you forward the parsed messages using the IETF-syslog protocol, you can insert all the parsed data into the SDATA part of the message using the prefix(.SDATA.my-parsed-data.) option.
Names starting with a dot (for example, .example) are reserved for use by syslog-ng OSE. If you use such a macro name as the name of a parsed value, it will attempt to replace the original value of the macro (note that only soft macros can be overwritten, see Hard versus soft macros for details). To avoid such problems, use a prefix when naming the parsed values, for example, prefix(my-parsed-data.)
By default, netskope-parser() uses the .netskope. prefix. To modify it, use the following format:
parser {
netskope-parser(prefix("myprefix."));
};The PAN-OS (a short version of Palo Alto Networks Operating System) parser can parse log messages originating from Palo Alto Networks devices. Even though these messages completely comply to the RFC standards, their MESSAGE part is not a plain text. Instead, the MESSAGE part contains a data structure that requires additional parsing.
The panos-parser() of syslog-ng Open Source Edition (syslog-ng OSE) solves this problem, and can separate PAN-OS log messages to name-value pairs.
For details on using value-pairs in syslog-ng OSE, see Structuring macros, metadata, and other value-pairs.
Version 3.29 of syslog-ng OSE or later.
NOTE: Most Linux distributions feature syslog-ng OSE versions earlier than version 3.29. For up-to-date binaries, visit the syslog-ng third-party binaries page.
PAN-OS log messages from Palo Alto Networks devices.
The panos-parser() only works on syslog-ng OSE version 3.29 or later.
You can include the panos-parser() in your syslog-ng OSE configuration like this:
parser p_parser{
panos-parser();
};
To use this parser, the scl.conf file must be included in your syslog-ng OSE configuration:
@include "scl.conf"
The panos-parser() is a reusable configuration snippet configured to parse Palo Alto Networks PAN-OS log messages. For details on using or writing such configuration snippets, see Reusing configuration blocks. You can find the source of this configuration snippet on GitHub.
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